[PATCH v2] dt: bindings: Add binding for ESP8089 wifi chips

[Rob Herring]

On Thu, Aug 11, 2016 at 07:26:25PM +0200, Hans de Goede wrote:
> The ESP8089 chips can mostly be enumerated via their sdio interface,
> but they are clocked by an external crystal which may differ from one
> board to the other.
> 
> This commit adds a binding for the sdio child node for these chips,
> allowing to specify the external crystal type (for now, this binding
> could be be extended with e.g. OOB irq support later).
> 
> The Android driver for this chip uses a text file with key,value pairs
> which gets loaded as firmware to pass this info to the firmware.
> The "esp,crystal_26M_en" name is chosen to match the crystal_26M_en
> key-name in that text file.
> 
> Note that at this point there only is an out of tree driver for this
> hardware, there is no clear timeline / path for merging this. Still
> I believe it would be good to specify the binding for this in tree
> now, so that any future migration to an in tree driver will not cause
> compatiblity issues.
> 
> Cc: Icenowy Zheng <icenowy at aosc.xyz>
> Signed-off-by: Hans de Goede <hdegoede at redhat.com>
> ---
> Changes in v2:
> -Use esp,crystal-26M-en instead of esp,crystal_26M_en
> ---
>  .../bindings/net/wireless/esp,esp8089.txt          | 31 ++++++++++++++++++++++
>  1 file changed, 31 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/net/wireless/esp,esp8089.txt

Applied, thanks.

Rob